HESI A2 Math Practice Test 2023

HESI A2 Math Practice Test 2023 Related

Review HESI A2 Math Practice Test 2023 related questions and content

A newborn weighs 3,459 grams. There are 453.59 grams per pound. What is the infant's weight in pounds and ounces?

  • A. 7 lbs 10 oz
  • B. 10 lbs 7 oz
  • C. 13 lbs 3 oz
  • D. 3 lbs 13 oz
Correct Answer: A

Rationale: To find the weight in pounds, divide the weight in grams by the conversion factor (453.59 grams per pound). 3,459 grams · 453.59 = approximately 7 lbs 10 oz. Therefore, choice A (7 lbs 10 oz) is the correct answer. Choice B (10 lbs 7 oz) and Choice C (13 lbs 3 oz) are incorrect as they do not correspond to the correct conversion. Choice D (3 lbs 13 oz) is incorrect as it does not account for the additional pounds derived from dividing 3,459 grams by the conversion factor.

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How many milligrams are in 3.4 grams?

  • A. 340 mg
  • B. 3,400 mg
  • C. 34,000 mg
  • D. 3400 mg
Correct Answer: B

Rationale: To convert grams to milligrams, you need to multiply by 1,000 because there are 1,000 milligrams in 1 gram. Therefore, to find out how many milligrams are in 3.4 grams, you multiply 3.4 by 1,000 which equals 3,400 mg. Choices A, C, and D are incorrect because they do not correctly convert grams to milligrams.

Imaginary unit multiples are used to represent numbers that cannot be obtained on the number line. Which of the following is equivalent to 5i?

  • A. -5
  • B. i^5
  • C. 5√-1
  • D. 1/5i
Correct Answer: C

Rationale: Rationale:
- The imaginary unit, denoted as "i," is defined as the square root of -1.
- Therefore, 5i can be expressed as 5 times the square root of -1, which is equivalent to 5√-1.
- Option A, -5, is a real number and not an imaginary unit multiple.
- Option B, i^5, is equal to i because i raised to any power that is a multiple of 4 results in 1, and i^5 is equivalent to i.
- Option D, 1/5i, is the reciprocal of 5i and not equivalent to 5i.

Convert 3/8 to a decimal.

  • A. 0.25
  • B. 0.25
  • C. 0.3
  • D. 0.375
Correct Answer: D

Rationale: To convert 3/8 to a decimal, divide 3 by 8: 3 · 8 = 0.375. The correct answer is 0.375. Choice A (0.25), Choice B (0.25), and Choice C (0.3) are incorrect because they do not represent the equivalent decimal value of 3/8.

Subtract 20.7 - 13.4.

  • A. 7.1
  • B. 7.5
  • C. 7.3
  • D. 7.6
Correct Answer: C

Rationale: The correct answer is 7.3. To subtract 13.4 from 20.7, you align the decimal points and subtract each place value: 0.7 - 0.4 = 0.3, and 2 - 1 = 1. Therefore, 20.7 - 13.4 = 7.3. Choices A, B, and D are incorrect because they do not provide the accurate result of this subtraction.

Change 0.004 to a ratio.

  • A. 1:250
  • B. 17:40
  • C. 9:20
  • D. 20:40
Correct Answer: A

Rationale: To convert 0.004 to a ratio, first express it as a fraction. 0.004 = 4/1000 = 1/250. Therefore, the ratio is 1:250. Choice A is the correct answer. Choices B, C, and D are incorrect ratios as they do not represent the equivalent fraction of 0.004.

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